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Finding the Fourth Proportional to 22,047.80, 32,998.80 and 19,423.40

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Solution

The fourth proportional to 22,047.80, 32,998.80 and 19,423.40 is: 29,070.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,047.80 : 32,998.80 = 19,423.40 : x
  2. Step 2: Convert to fraction form
    22,047.80/32,998.80 = 19,423.40/x
  3. Step 3: Cross multiply
    22,047.80x = 32,998.80 × 19,423.40
  4. Step 4: Simplify right side
    22,047.80x = 640,948,891.92
  5. Step 5: Solve for x
    x = 640,948,891.92/22,047.80
  6. Step 6: Final answer
    x = 29,070.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.